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Plasma Window Technology, Pressure Cushions and Deflector Doors

Thanks to @nyrath for bringing this 1998 article to our attention:

"Plasma windows can separate vacuum and atmosphere, or regions of high and low vacuums, in a way which facilitates transmission of various particle beams and/or radiation from low- to high-pressure regions. In a prototype device, a stabilized plasma arc was properly configured to function as a nonsolid plasma window. Since charged particles can be focused by these arcs, focusing of such beams is a secondary function of this device."

From Larry Niven and Jerry Pournelle's 1974 novel The Mote in God's Eye:

The civilians were chattering among themselves - "But there's no air in here!" Staley yelled.

"Not here, sir," Hasner said. He pointed. "Some kind of box thing there, makes like a curtain, Mr. Staley. Air can't get through it but we can."

The Marine Gunner stepped gingerly through the invisible barrier. He had to push. "Like - maybe kind of like the Field, Mr. Staley. Only not so thick." (Read more about the pressure curtain)

I couldn't find a suitable Star Trek TNG video, but this idea was also used in the original Star Wars movie (1976):

Scroll down for more stories in the same category. (Story submitted 4/1/2022)

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